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The code worked, but I had to find unlock instructions on a different website.
http://www.mobileslate.com/blog/2009/04/09/how-to-unlock-lg-gr500-xenon/Tacoma, United States

Darren H.

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Ooyea thank u very much it worked and waz really fast responce thank you dj demonLondon, United Kingdom

Robert J.

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The code worked perfectly the first time. Very easy, and now I have a more functional phone.Phoenix, United States

How to unlock Lenovo ZUK Z1

All we need is the IMEI number of your Lenovo ZUK Z1 phone and the network Provider it's currently locked to (we mean the Original Carrier who sold the phone: they have programmed the simlock restriction).
We will use these details to generate your unique and individual unlock code and give your handset total freedom!
You will be emailed your unlocking code along with easy to follow instructions to remove your current network provider simlock with absolutely no risk of damaging your ZUK Z1 phone.

Lenovo ZUK Z1 Unlocking

We have already provided thousands of Lenovo unlock codes here at Unlock Network, since 2007. We enable you to use your phone on ANY network carrier, local or worldwide.
We are the best in the business. That’s not just talk: Just read through authentic certified Reviews from our customers and you will see we provide excellent customer support and deliver upon it time and time again.
We provide even better service than your official carrier for unlocking your Lenovo device. Why ? Not only we are simply way cheaper and much faster but we also provide you with a complete set of codes you need plus assistance.

Get your Unique ZUK Z1 Unlock Code Now!

You will get manufacturer-issued unlock code(s) directly sourced from Lenovo.
You will be provided with step-by-step instructions on how to enter your unlock code on your Lenovo ZUK Z1 handset.
Then you simply type the code into your phone and there you are: ZUK Z1 Unlocked and ready to accept any GSM provider SIM-card!

Benefits of unlocking your Lenovo ZUK Z1 Phone

- Use your Lenovo ZUK Z1 with any GSM service provider worldwide, accepting any SIM card.
- Save money on roaming charges when you travel abroad (use local SIM card).
- Will not void factory your Lenovo phone warranty (Official Carriers use exactly the same method)
- Increase the resale value of your unlocked Lenovo ZUK Z1.
- No need to send your phone away, or to waste time to local store: Quickly remote unlocking by code, from Your home!
- No technical knowledge required: If you can dial a telephone number, you can unlock your Lenovo ZUK Z1 with a code.
- Change your network provider and keep your phone! No need to buy a new handset.
- Permanent Unlock: Once it's unlocked your phone will stay this way forever.